/*
 * Copyright 2005 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.drools.base.rule.accessor;

import org.drools.base.base.ValueResolver;
import org.drools.base.reteoo.BaseTuple;
import org.drools.base.rule.Declaration;

public interface EvalExpression
    extends
    Invoker,
    Cloneable {
    
    Object createContext();
    
    boolean evaluate(BaseTuple tuple,
                     Declaration[] requiredDeclarations,
                     ValueResolver valueResolver,
                     Object context ) throws Exception;

    void replaceDeclaration(Declaration declaration,
                            Declaration resolved);

    EvalExpression clone();

    default EvalExpression clonePreservingDeclarations(EvalExpression original) {
        return original;
    }
}
